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by rabbit
Today, 1:21 am
Forum: Other Cellular Automata
Topic: Tables (B3/S23-q4i)
Replies: 71
Views: 2647

Re: Tables (B3/S23-q4i)


p8 backrake:
x = 19, y = 31, rule = B3/S23-q4i
b3o7b3o$bobo7bobo2$2ob2o5b2ob2o$5bo3bo$bo2b2obob2o2bo$2b2o3bo3b2o$2ob
obobobobob2o2$4b7o$b2obo5bob2o$5b5o$5bo3bo$6bobo$6bobo$6bobo2$5b2ob2o
6b3o$5b2ob2o5bo2bo$3bo2bobo2bo6bo$3b3o3b3o2bo3bo$2b2o7b2obo3bo$2b2o7b
2o5bo$2bo2bo3bo2bo2bobo2$3b2o5b2o3$13bo ...
by rabbit
Yesterday, 2:42 am
Forum: Other Cellular Automata
Topic: Tables (B3/S23-q4i)
Replies: 71
Views: 2647

Re: Tables (B3/S23-q4i)


managed to cut a few cells off the oscillator:
x = 8, y = 16, rule = B3/S23-q4i
2o3b2o$obobobo$2bobo$2b3o$2b3o7$2bobo$2b3o$5b2o$4bo2bo$5b2o!


Unless there's a smaller still life with a suitable edge, this should be the smallest form at 23 cells minpop:
x = 7, y = 15, rule = B3/S23-q4i
2o3b2o ...
by rabbit
October 6th, 2026, 6:18 pm
Forum: Patterns
Topic: Synthesising every natural still life
Replies: 48
Views: 2049

Re: Synthesising every natural still life

Reduced xs26_c4gfhozc93s26zx11 above to 9G:
x = 47, y = 21, rule = B3/S23
bo$2bo$3o2$46bo$44b2o$45b2o3$27bo9bo$15b3o7bobo8bo$26b2o8b3o$13bo5bo$
13bo5bo5bo$13bo5bo5b2o11bo$24bobo10bo$15b3o19b3o2$29b3o$31bo$30bo!


It has a great wealth of natural and semi-natural occurrences, so it's a bit ...
by rabbit
October 6th, 2026, 5:52 pm
Forum: Other Cellular Automata
Topic: Rules One Transition Away from being Outer-Totalistic
Replies: 10
Views: 635

Re: Rules One Transition Away from being Outer-Totalistic

B3678/S2c3467 (two transitions away from Day & Night has a 2D replicator that travels at 5c/42:
x = 3, y = 3, rule = B3678/S2c3467
2o$3o$2o!


B34r5/S136 has a 1D replicator that travels at 5c/10 orthogonal:
x = 4, y = 5, rule = B34r5/S136
2bo$o2bo$ob2o$o2bo$2bo!


A p80 gun for the small c/3 ...
by rabbit
October 5th, 2026, 8:26 pm
Forum: Other Cellular Automata
Topic: Tables (B3/S23-q4i)
Replies: 71
Views: 2647

Re: Tables (B3/S23-q4i)

There's potential for a p56 gun here, but there's a lack of sparkers at compatible periods (p4 doesn't seem promising):
x = 24, y = 22, rule = B3/S23-q4i
12bo2$9b3o2$7bo5bo$7bo5bo7b3o$7bo5bo6b3o$9b3o$3o$b3o5b3o$7bo5bo6b3o$7b
o5bo7b3o$7bo5bo$b3o$3o6b3o4$11bo3bo$10b2o3b2o$10b2o3b2o$10bo5bo!


p56 ...
by rabbit
October 2nd, 2026, 5:33 pm
Forum: Other Cellular Automata
Topic: Rules 2 transitions from Life
Replies: 672
Views: 178560

Re: Rules 2 transitions from Life


Meanwhile, I found an xq14:
x = 8, y = 15, rule = B3/S23-q4i
3o$obo$3o3$6b2o$3o3b2o$obo$3o3b2o$6b2o3$3o$obo$3o!


Per your own discovery by searching D4_+1, the 3c/14 is infinitely extensible:
x = 48, y = 27, rule = B3/S23-q4i
3o17b3o17b3o$obo17bobo17bobo$3o17b3o17b3o3$6b2o18b2o18b2o ...
by rabbit
September 8th, 2026, 12:55 pm
Forum: General Discussion
Topic: Unproven conjectures
Replies: 561
Views: 302528

Re: Unproven conjectures

I would assume that g0t0 is talking about full 1xN rectangles, rather than 1xN patterns of any variety.

I checked all filled boxes from 1x1 up to 1x10000 with a small apgsearch stdin script and none of them yielded linear growth. It appears that, on the whole, they tend to settle into repetitive ...
by rabbit
September 8th, 2026, 10:08 am
Forum: Patterns
Topic: Thread For Your Useless Discoveries
Replies: 5168
Views: 2236210

Re: Thread For Your Useless Discoveries

A solid 379x327 block of cells produces a cloverleaf interchange at its center:
x = 379, y = 327, rule = B3/S23
379o$379o$379o$379o$379o$379o$379o$379o$379o$379o$379o$379o$379o$379o$
379o$379o$379o$379o$379o$379o$379o$379o$379o$379o$379o$379o$379o$379o$
379o$379o$379o$379o$379o$379o$379o$379o$379o ...
by rabbit
September 5th, 2026, 3:17 pm
Forum: Other Cellular Automata
Topic: Blogic (B3-ekqr4jz5cy6n/S2-in3-cekq4aw5-ce) and its rulespace
Replies: 69
Views: 2472

Re: Blogic (B3-ekqr4jz5cy6n/S2-in3-cekq4aw5-ce) and its rulespace


Here's a p28. I think this is the minimum achievable period with the reflector because the gliders are so close to hitting each other.


p27 should be the minimum (works even without the eaters):
x = 17, y = 18, rule = B3-ekqr4jz5cy6n/S2-in3-cekq4aw5-ce
10b2o$2b2o6b2o$2b2o4bo$8b2o4b2o$7bobo4b2o ...
by rabbit
September 4th, 2026, 5:45 pm
Forum: Other Cellular Automata
Topic: From an Iranian Carpet to a Cellular Automaton: Meet Toranj (ICM: Iranian Carpet Medallion)
Replies: 27
Views: 1421

Re: From an Iranian Carpet to a Cellular Automaton: Meet Toranj (ICM: Iranian Carpet Medallion)


* What requirements does a pattern need to meet before a LifeWiki page can be created?
* Am I allowed to create the page myself, or would it be preferable for another editor to create it?
* If I need Trusted status first, is there any waiting period or any other requirement I should meet before ...
by rabbit
September 3rd, 2026, 9:14 pm
Forum: Patterns
Topic: The hunt for the ever-elusive piship
Replies: 22
Views: 1030

Re: The hunt for the ever-elusive piship


Not sure if this is known, but here some beacon/carrier action:

[...]

not sure where that "exploration" results are, the wiki about pi wave is nearly blank...


It can also be supported by a backward glider in at least one way:
x = 48, y = 26, rule = B3/S23
46bo$45bo$13bo17bo13b3o$12bobo15bobo ...
by rabbit
September 3rd, 2026, 3:54 pm
Forum: Scripts
Topic: Golly scripts
Replies: 355
Views: 424161

Re: Golly scripts


Hopefully this won't 403, because for some inexplicable reason, trying to post this unzipped gives me a 403 error on both the forum and the wiki.


The issue appears to be the presence of the string "sleep(#)" within the script's source, where # is replaced with a number like 123 or 0.4 ...
by rabbit
September 2nd, 2026, 10:29 pm
Forum: Patterns
Topic: Instant deaths
Replies: 17
Views: 688

Re: Instant deaths


Is there a way to make a phoenix with the 5x5 plus shape, or the “UFO”?


Apparently not. The cp4space post outlining the finite p3+ phoenix disproof contains a section concerning this:

[...] The next thing that we do is determine the set of possible 3 × 3 neighbourhoods that can occur at some ...
by rabbit
September 2nd, 2026, 10:16 pm
Forum: Patterns
Topic: Oscillator Discussion Thread
Replies: 6031
Views: 2531572

Re: Oscillator Discussion Thread


Blinker hassler, here as p32, p46, p64, and p92


p46 and p64 versions can be made fourfold:
x = 122, y = 68, rule = B3/S23
33b2o5b2o50b2o5b2o$33b2o5b2o50bo7bo$84b2o7b3ob3o7b2o$84b2obo7bobo7bob
2o$88bo15bo$85bo21bo$86bob2o13b2obo$88b2o13b2o4$93b3ob3o$89b2o11b2o$
34bo5bo31b2o14bobo4b3o4bobo ...
by rabbit
September 2nd, 2026, 9:08 pm
Forum: Patterns
Topic: Instant deaths
Replies: 17
Views: 688

Re: Instant deaths


Also, I don't think any of these patterns need names (no one is ever going to use them, and they end up just being clutter), especially there are an infinite number of the "Instant Diehards" which also have no significant use beyond possibly being Garden of Eden status, which again have infinite ...
by rabbit
September 1st, 2026, 8:57 pm
Forum: Patterns
Topic: Queen bee thread
Replies: 24
Views: 6452

Re: Queen bee thread

A queen bee can have a domino spark applied to one or both of its sides, causing a 4-generation disturbance before it emerges unharmed:
x = 25, y = 34, rule = B3/S23
19b2o$18bobo$16b3o$16b2ob4o$17bobo3bo$18bo2bo2bo$18b6o$3b2o$3b2o10b2o
2b3o$15b2ob2ob3o$16b2obo4bo$16b2o2b5o$11bo4b2obo ...
by rabbit
August 31st, 2026, 9:13 pm
Forum: Other Cellular Automata
Topic: Rules One Transition Away from being Outer-Totalistic
Replies: 10
Views: 635

Re: Rules One Transition Away from being Outer-Totalistic

15c/106 orthogonal 1D replicator in B356/S34a578 :
x = 5, y = 4, rule = B356/S34a578
2ob2o$2ob2o$2ob2o$2ob2o!


7c/40 orthogonal dirty 1D replicator in B357/S34a57 :
x = 5, y = 2, rule = B357/S34a57
5o$5o!


19c/44 orthogonal dirty/failed 2D replicator in B2c3/S246 :
x = 4, y = 4, rule = B2c3 ...
by rabbit
August 31st, 2026, 4:55 pm
Forum: Other Cellular Automata
Topic: Rules with interesting dynamics
Replies: 1205
Views: 497542

Re: Rules with interesting dynamics

B2ac3q6i/S04567 produces regularly spaced immortal chaos throwers:
x = 1, y = 1, rule = B2ac3q6i/S04567
!
#C [[ RANDOMIZE PASTEMODE 3 PASTE b2o$4o$4o$b2o! 30 30 ]]


B2ac3q8/S04567 is similar, but new throwers are far less likely to be produced and most of them eventually destroy themselves ...
by rabbit
August 31st, 2026, 4:22 pm
Forum: LifeWiki Discussion
Topic: Suggested LifeWiki edits
Replies: 1269
Views: 552196

Re: Suggested LifeWiki edits


I still insist that "1D spaceship" is a better name that long unpronounceable "unidimensional"


How about "1×N spaceship", matching the naming convention set by 1×N quadratic growth ? Although with PHPBB search parsing × as a word boundary character, maybe it's best to swap it out for a ...
by rabbit
August 29th, 2026, 9:20 pm
Forum: General Discussion
Topic: Catagolue Discussion Thread
Replies: 639
Views: 350724

Re: Catagolue Discussion Thread

It appears that searching B0 rules using old versions of apgsearch leads to hauls being stuck in pending forever, likely because the Catagolue backend is running one of the newer versions where B0 support is broken.
by rabbit
August 29th, 2026, 6:36 pm
Forum: Help / Support
Topic: Golly 5.0 on Ubuntu 24.04 — zoom lags while running
Replies: 9
Views: 294

Re: Golly 5.0 on Ubuntu 24.04 — zoom lags while running

Unfortunately, it appears that the issue is even worse after building 5.1b1 from source with the default local-gtk.mk configuration. Zooming into a large pattern while it was running actually ended up freezing the entire program indefinitely, until I killed it.
by rabbit
August 27th, 2026, 10:34 pm
Forum: Other Cellular Automata
Topic: Miscellaneous Discoveries in Other Cellular Automata
Replies: 5420
Views: 1342396

Re: Miscellaneous Discoveries in Other Cellular Automata

In this rule, snakes serve as a 6-way (practically 5-way) splitter:
x = 4, y = 8, rule = B3-cr5cei8/S2-in34i5k7c
obo$b2o$bo2$2b2o$3bo$2bo$2b2o!


Three different gun designs using the reaction:

#C p298, 8-barreled
#C p330+, 8-barreled
#C p189+, 12-barreled
x = 753, y = 153, rule = B3-cr5cei8/S2 ...
by rabbit
August 27th, 2026, 8:42 pm
Forum: Help / Support
Topic: Golly 5.0 on Ubuntu 24.04 — zoom lags while running
Replies: 9
Views: 294

Re: Golly 5.0 on Ubuntu 24.04 — zoom lags while running


Can you describe the "stutter" in more detail? Does it happen when using all algorithms? Any other clues might be useful.

Are you able to build Golly from source? If so, it might help to build it using the latest code from sourceforge. We now use GTK-3 (see docs/Build.html) so maybe the stutter ...
by rabbit
August 27th, 2026, 4:03 pm
Forum: Help / Support
Topic: Golly 5.0 on Ubuntu 24.04 — zoom lags while running
Replies: 9
Views: 294

Re: Golly 5.0 on Ubuntu 24.04 — zoom lags while running


I'm assuming this only happens when using your mouse wheel to zoom in/out (and not when using the keyboard shortcuts [ and ], or the +/- cursors)? I don't really know why this would cause problems on your system. The only thing I can think of is to open Preferences > View and change the wheel ...
by rabbit
August 24th, 2026, 3:44 am
Forum: Patterns
Topic: Thread For Your Useless Discoveries
Replies: 5168
Views: 2236210

Re: Thread For Your Useless Discoveries

The bottom Pi in this reaction gets a few more generations of c/2 travel than usual, and thus travels at a speed of 23c/72 (0.3194 ̅ ̅ c), slightly faster than 3c/10 (0.3000c):
x = 8, y = 23, rule = B3/S23
o$2o$2bo$2o$o14$5bo$5b2o$7bo$5b2o$5bo!

Unfortunately, it's not viable because the top Pi is ...